Table 1. KS A 3011

Classification of illuminance and value of illuminance according to activity types (KS A 3011 table 9)
Activity type		Classification	Range (lx)	Reference
Distinguishable working place in dark atmosphere		A	3-4-6	Light throughout the space
Low usage of place in dark atmosphere		B	6-10-15
Common place in dark atmosphere		C	15-20-30
Place where temporary and simple work performed		D	30-40-60
Working place where		E	60-100-150
When performing with eyes in high luminance condition or huge objects		F	150-200-300	Light at work plane
Recommended levels of illuminance to outdoor facilities
Classification			Class of illuminance
Park	Whole area		B
	Main area		C